Finding the Fourth Proportional to 12,995.25, 19,495.28 and 4,112.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,995.25 : 19,495.28 = 4,112.82 : x
2. Step 2: Convert to fraction form
   12,995.25/19,495.28 = 4,112.82/x
3. Step 3: Cross multiply
   12,995.25x = 19,495.28 × 4,112.82
4. Step 4: Simplify right side
   12,995.25x = 80,180,556.93
5. Step 5: Solve for x
   x = 80,180,556.93/12,995.25
6. Step 6: Final answer
   x = 6,169.99